Adjustable mirror



FIG. 1 is a top view of a adjustable mirror showing my new design;

FIG. 2 is a bottom view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right end view thereof;

FIG. 6 is a left end view thereof; and,

FIG. 7 is perspective view thereof.

The broken lines are for environmental purposes only and form no part of the claimed design. 

The ornamental design for a adjustable mirror, as shown and described. 